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authorFred Fish <fnf@specifix.com>1992-03-15 02:16:01 +0000
committerFred Fish <fnf@specifix.com>1992-03-15 02:16:01 +0000
commit63abb1e790d634cba4162c2997f2ae330d63b703 (patch)
treee95a308c52d1b1693bc29e74cf3073330edec0a7 /mmalloc/mcalloc.c
parent009898fddb9210e230163940ac173ec681574ccc (diff)
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New memory malloc malloc library, based on GNU malloc.
Diffstat (limited to 'mmalloc/mcalloc.c')
-rw-r--r--mmalloc/mcalloc.c53
1 files changed, 53 insertions, 0 deletions
diff --git a/mmalloc/mcalloc.c b/mmalloc/mcalloc.c
new file mode 100644
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--- /dev/null
+++ b/mmalloc/mcalloc.c
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+/* Copyright (C) 1991, 1992 Free Software Foundation, Inc.
+This file is part of the GNU C Library.
+
+The GNU C Library is free software; you can redistribute it and/or
+modify it under the terms of the GNU Library General Public License as
+published by the Free Software Foundation; either version 2 of the
+License, or (at your option) any later version.
+
+The GNU C Library is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+Library General Public License for more details.
+
+You should have received a copy of the GNU Library General Public
+License along with the GNU C Library; see the file COPYING.LIB. If
+not, write to the Free Software Foundation, Inc., 675 Mass Ave,
+Cambridge, MA 02139, USA. */
+
+#include "mmalloc.h"
+
+/* Allocate an array of NMEMB elements each SIZE bytes long.
+ The entire array is initialized to zeros. */
+
+PTR
+mcalloc (md, nmemb, size)
+ PTR md;
+ register size_t nmemb;
+ register size_t size;
+{
+ register PTR result;
+
+ if ((result = mmalloc (md, nmemb * size)) != NULL)
+ {
+ (void) memset (result, 0, nmemb * size);
+ }
+ return (result);
+}
+
+/* When using this package, provide a version of malloc/realloc/free built
+ on top of it, so that if we use the default sbrk() region we will not
+ collide with another malloc package trying to do the same thing, if
+ the application contains any "hidden" calls to malloc/realloc/free (such
+ as inside a system library).
+
+ NOTE: Defining our own copy of this breaks ANSI conformance. */
+
+PTR
+calloc (nmemb, size)
+ size_t nmemb;
+ size_t size;
+{
+ return (mcalloc ((void *) NULL, nmemb, size));
+}